2178490215

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13202971}}^1$

素因数の和:13202990

約数の個数: 16

約数和(自身を含む): 3802455936

約数和(自身を除く): 1623965721

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 13202971, 39608913, 66014855, 145232681, 198044565, 435698043, 726163405, 2178490215]

約数ペア:

[(1, 2178490215), (3, 726163405), (5, 435698043), (11, 198044565), (15, 145232681), (33, 66014855), (55, 39608913), (165, 13202971)]